diff --git a/js/src/views/Account/Register.vue b/js/src/views/Account/Register.vue
index 07db71e0d..d6a28d444 100644
--- a/js/src/views/Account/Register.vue
+++ b/js/src/views/Account/Register.vue
@@ -24,7 +24,13 @@
               @input="autoUpdateUsername($event)"
             />
           </b-field>
-
+          <p style="color: red">
+            {{
+              $t(
+                "Attention! The username below is unique! If you want to create a group with the same name, change your username below now as you can't later on. (With your group name you'll be able to link to your group directly eg. fomobremen.info/@groupname)"
+              )
+            }}
+          </p>
           <b-field
             :label="$t('Username')"
             :type="errors.preferred_username ? 'is-danger' : null"